Stevenson, R. B., Brody, M., Dillon, J., & Wals, A. E. J. (2013). International handbook of research on environmental education (1a. ed.). Routledge.
Chicago (17e ed.) BronvermeldingStevenson, Robert B., Michael Brody, Justin Dillon, en Arjen E. J. Wals. International Handbook of Research on Environmental Education. 1a. ed. Nueva York: Routledge, 2013.
MLA (9e ed.) BronvermeldingStevenson, Robert B., et al. International Handbook of Research on Environmental Education. 1a. ed. Routledge, 2013.
Let op: Deze citaties zijn niet altijd 100% accuraat.